Study on the Process of Leaching Potassium from Flotation Tailings of Potassium Ore in Sulfate Type Salt Lake Brine Salt Field
Using the flotation tailings of sulfate containing ore in the brine of Lop Nur Salt Lake as raw material and high sodium and low potassium brine as leaching solution,the valuable elements such as K+,Mg2+,SO42-in the potassium sulfate flotation tailings are extracted using in-situ heap leaching method,achieving comprehensive recovery and utilization of valuable elements such as K+,Mg2+,SO42-in the flota-tion tailings of sulfate containing ore in the brine salt field of Lop Nur Salt Lake.The experimental data shows that through heap leaching process,the recovery of K+in flotation tailings has been achieved,and the K+content in tailings has decreased from 3.84％to 0.84％;The yield of K+≥77％,the yield of Mg2≥77％,the yield of SO42-≥73％,and the K+content in the leaching solution reaches 1.4％.
Heap leachingFlotation tailingsLop Nur Salt LakeKali
万方数据
维普
